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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is friction?
💡 Hint: Think about what happens when you try to slide something.
Question 2
Easy
Name one advantage of friction.
💡 Hint: Consider activities you do every day.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What type of friction opposes the initial motion of an object?
💡 Hint: Think about what keeps an object from moving.
Question 2
True or False: Friction can only have negative effects.
💡 Hint: Consider both advantages and disadvantages of friction.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
A box weighing 50 kg is pushed along a rough surface with a coefficient of friction of 0.4. Calculate the frictional force acting on it.
💡 Hint: Start by calculating the normal force based on weight.
Question 2
Discuss the impact of friction on the design of roller coasters.
💡 Hint: Think about how friction might affect speed and stability.
Challenge and get performance evaluation